Syringe barrel



FIG. 1 is a side view of a syringe barrel showing my new design, the opposite side view being a mirror image thereof;

FIG. 2 is another side view thereof, the opposite side view being a mirror image thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a perspective view thereof. 

The ornamental design for a syringe barrel, as shown and described. 